OpenDNSSEC-signer 1.3.0rc3
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00001 /* 00002 * $Id$ 00003 * 00004 * Copyright (c) 2011 NLNet Labs. All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 00015 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00016 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00017 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00018 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 00019 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00020 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00021 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 00023 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00024 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 00025 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 * 00027 */ 00028 00034 #ifndef SCHEDULER_FIFOQ_H 00035 #define SCHEDULER_FIFOQ_H 00036 00037 #include "config.h" 00038 #include "daemon/worker.h" 00039 #include "shared/allocator.h" 00040 #include "shared/locks.h" 00041 #include "shared/status.h" 00042 00043 #include <stdio.h> 00044 #include <time.h> 00045 00046 #ifdef HAVE_SYS_TYPES_H 00047 # include <sys/types.h> 00048 #endif 00049 #ifdef HAVE_UNISTD_H 00050 # include <unistd.h> 00051 #endif 00052 00053 #include <ldns/ldns.h> 00054 00055 #define FIFOQ_MAX_COUNT 1000 00056 00060 typedef struct fifoq_struct fifoq_type; 00061 struct fifoq_struct { 00062 allocator_type* allocator; 00063 void* blob[FIFOQ_MAX_COUNT]; 00064 worker_type* owner[FIFOQ_MAX_COUNT]; 00065 size_t count; 00066 lock_basic_type q_lock; 00067 cond_basic_type q_threshold; 00068 }; 00069 00076 fifoq_type* fifoq_create(allocator_type* allocator); 00077 00084 void fifoq_wipe(fifoq_type* q); 00085 00093 void* fifoq_pop(fifoq_type* q, worker_type** worker); 00094 00103 ods_status fifoq_push(fifoq_type* q, void* item, worker_type* worker); 00104 00110 void fifoq_cleanup(fifoq_type* q); 00111 00112 #endif /* SCHEDULER_FIFOQ_H */